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GASTROINTESTINAL TRACT

INTRODUCTION: Your digestive tract stretches from your mouth to your anus. It includes the organs necessary to digest food and process waste.

The human gastrointestinal tract, or GI tract, or GIT is an organ system responsible for consuming and digesting foodstuffs, absorbing nutrients, and expelling waste.
The tract consists of the stomach and intestines, and is divided into the upper and lower gastrointestinal tracts.

Do you know that The whole digestive tract is about nine metres (30 feet) long?

The GI tract releases hormones from
enzymes to help regulate the digestive process. These hormones, including
gastrin, secretin, cholecystokinin , and
ghrelin, are mediated through either
intracrine or autocrine mechanisms, indicating that the cells releasing these hormones are conserved structures throughout evolution .

Nutrients from the GI tract are not processed on-site; they are taken to the liver to be broken down further, stored, or distributed.